Here’s the latest I can share based on recent reporting.
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Zac Stubblety-Cook reportedly split with longtime coach Mel Marshall and relocated training to Melbourne to prepare for Australia’s trials in Sydney in June 2026. This development followed public discussions about his coaching arrangement and training environment.[1]
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The move comes after a period of tension between Stubblety-Cook and Marshall, with coverage noting a shift in his training base and support network as he targets continued success for Paris or other major meets.[1]
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Additional context from other outlets around mid-April 2026 also highlighted Stubblety-Cook and partner Ella Ramsay leaving Griffith University and adjusting plans for competing at national events, signaling a broader coaching and training transition.[3]
If you’d like, I can pull more recent updates or confirm specifics of his coaching setup and upcoming meet schedule from current sources.
Sources
Budding young artists and curious little minds are invited to explore their boundless creativity at Asia Pacific Triennial Kids – a fun and free hands-on exhibition series at QAGOMA.
www.indailyqld.com.auIn a surprising turn of events, Olympic gold medalist Zac Stubblety-Cook and his partner, Ella Ramsay, have departed from their training base on the Gold
news.ssbcrack.comZac Stubblety-Cook has announced he is splitting from coach Mel Marshall and moving his training base to Melbourne.
www.swimmingworldmagazine.comThe Tokyo Olympic gold medallist is ready to be bold, brave and brilliant in Birmingham.
commonwealthgames.com.auAfter breaking his neck 6 months before the competition and then contracting COVID during the competition, Zac Stubblety-Cook still walked away from the Paris Olympic Games with a silver medal in the 200 breast. The Australian breaststroke specialist takes us through his whirlwind Olympic saga, what kept his head level through all of it, and how he's running a coffee business on the side.
www.iheart.comThe silver medallist says he wants a better partnership rather than a ‘one-way street’.
7news.com.au"I think as you mature as an athlete, you get more into a partnership with a coach rather than a dictatorship," Aussie breaststroker Zac Stubblety-Cook said.
swimswam.comA back-half charge from Australian Zac Stubblety-Cook carried him to the gold medal in the 200 breaststroke at the Commonwealth Games.
www.swimmingworldmagazine.com